package com.itheima.d04_net;

import org.junit.Test;

public class StringUtilsTest {
    /**
     *
     */

    @Test
    public void testPrintNum() {
        StringUtils.printNum("zhangsan");
        StringUtils.printNum("6666");
    }

    @Test
    public void testPrintNum2() {
        StringUtils.printNum("");
        StringUtils.printNum(null);
    }


}
